Instance: rand-2-40-80-103-800-80_ext
Number of variables: 40
Number of constraints: 103
Satisfiable: None
Timestamp: 2017-10-27 10:58:01
Stampede: v1.0.0-797-g05e223c
Boost: 1.64.0
Benchmark comments

Instance comments



Component #1 Number of variables: 40
Number of constraints: 103
General features
Number of coarse blocks: 16,400
Number of unique subscopes: 39
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 2 2.00 2.00 206 1.01e+31 71.39 0.00 0.00 0.00
Coarse blocks size 4 30 15.99 16.00 262,187 MAX VALUE 45,022.20 3.58 0.22 2.69
Relational linkage 0.05 0.25 0.15 0.15 467.38 0.00 -5,988.75 0.03 0.20 2.28
Tightness 0.79 0.81 0.80 0.80 82.42 0.00 -22.96 0.00 0.01 4.19
Tuples 1,200 1,368 1,278.83 1,280.00 131,719 MAX VALUE 736.80 29.55 0.02 4.19
Domain size 80 80 80.00 80.00 3,200 MAX VALUE 175.28 0.00 0.00 0.00
Constraints per subscope 2 10 5.26 5.00 205 1.26e+27 62.40 1.81 0.34 1.92
Partitions per subscope 80 80 80.00 80.00 3,120 MAX VALUE 170.90 0.00 0.00 0.00
Tree decomposition
Number of clusters: 28
Number of leaves: 12
Tree depth: 6
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 1 17 6.07 5.00 170 2.57e+19 44.69 3.89 0.64 2.36
Cluster variables 2 13 6.89 6.00 193 1.73e+22 51.20 3.09 0.45 2.16
Separator constraints 0 11 2.39 1.00 67 0 None 3.39 1.42 1.76
Separator variables 0 11 5.46 4.50 153 0 None 3.04 0.56 2.16
Dual tree decomposition
Number of clusters: 38
Number of leaves: 15
Tree depth: 6
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 6 89 29.58 22.50 1,124 MAX VALUE 119.25 21.00 0.71 3.30
Cluster variables 5 36 13.50 11.00 513 MAX VALUE 93.54 7.71 0.57 2.77
Separator constraints 0 51 16.42 13.00 624 0 None 12.92 0.79 3.01
Separator variables 0 27 10.79 9.00 410 0 None 5.98 0.55 2.73
Primal graph
Density: 13.21%
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.33 None 0.10 None None None None None 2.25
Degree 1 10 5.15 5.00 206 1.26e+27 62.40 1.90 0.37 1.99
Eccentricity 3 5 3.85 4.00 154 1.77e+23 53.53 0.53 0.14 0.78
Triangulated primal graph
Density: 29.62%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.46 1.00 None 0.79 None None None None None 2.91
Degree 1 26 11.55 9.50 462 3.23e+37 86.37 7.64 0.66 2.80
Eccentricity 2 4 3.08 3.00 123 2.02e+19 44.45 0.47 0.15 0.68
Dual graph
Density: 9.52%
MCB compute time (ms): 109
MCB cycles: 498
Triangles: 790
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 0.49 0.48 50.43 0.00 -74.53 0.07 0.15 3.36
Degree 4 16 9.71 10.00 1,000 MAX VALUE 229.07 2.93 0.30 2.38
Eccentricity 3 5 3.98 4.00 410 MAX VALUE 141.76 0.39 0.10 0.54
MCB cycle size 3 6 3.43 3.00 1,710 MAX VALUE 604.43 0.74 0.22 0.81
Minimal dual graph
Density: 3.16%
MCB compute time (ms): 41
MCB cycles: 64
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 1.00 0.02 0.00 2.33 0.00 None 0.11 5.03 0.28
Degree 2 5 3.22 3.00 332 MAX VALUE 118.35 0.65 0.20 0.99
Eccentricity 5 9 6.83 7.00 703 MAX VALUE 197.22 0.74 0.11 1.10
MCB cycle size 3 10 6.84 7.00 438 MAX VALUE 121.38 1.45 0.21 1.73
Triangulated dual graph
Density: 31.39%
Triangles: 16,440
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.60 1.00 0.79 0.78 81.76 0.00 -25.00 0.12 0.15 4.05
Degree 4 60 32.02 33.00 3,298 MAX VALUE 330.40 19.28 0.60 3.59
Eccentricity 2 4 3.17 3.00 327 MAX VALUE 117.75 0.49 0.15 0.71
Triangulated minimal dual graph
Density: 11.16%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.40 1.00 0.76 0.79 78.76 0.00 -31.44 0.20 0.26 2.91
Degree 2 39 11.38 5.00 1,172 MAX VALUE 200.67 11.33 1.00 2.69
Eccentricity 3 5 3.81 4.00 392 MAX VALUE 136.65 0.52 0.14 0.77
Incidence graph
Density: 2.03%
MCB compute time (ms): 54
MCB cycles: 64
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.00 None 0.00 None None None None None 0.60
Degree 1 10 2.88 2.00 412 MAX VALUE 133.79 1.74 0.60 1.11
Eccentricity 7 10 8.27 8.00 1,182 MAX VALUE 301.43 0.77 0.09 1.12
MCB cycle size 6 10 7.66 8.00 490 MAX VALUE 129.27 1.35 0.18 1.00